Index: /trunk/src/VBox/Frontends/VBoxManage/VBoxManageDisk.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VBoxManage/VBoxManageDisk.cpp	(revision 35084)
+++ /trunk/src/VBox/Frontends/VBoxManage/VBoxManageDisk.cpp	(revision 35085)
@@ -109,4 +109,8 @@
     else if (!RTStrICmp(psz, "shareable"))
         DiskType = MediumType_Shareable;
+    else if (!RTStrICmp(psz, "readonly"))
+        DiskType = MediumType_Readonly;
+    else if (!RTStrICmp(psz, "multiattach"))
+        DiskType = MediumType_MultiAttach;
     else
         rc = VERR_PARSE_ERROR;
@@ -1006,4 +1010,10 @@
                 typeStr = "shareable";
                 break;
+            case MediumType_Readonly:
+                typeStr = "readonly";
+                break;
+            case MediumType_MultiAttach:
+                typeStr = "multiattach";
+                break;
         }
         RTPrintf("Type:                 %s\n", typeStr);
Index: /trunk/src/VBox/Frontends/VBoxManage/VBoxManageHelp.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VBoxManage/VBoxManageHelp.cpp	(revision 35084)
+++ /trunk/src/VBox/Frontends/VBoxManage/VBoxManageHelp.cpp	(revision 35085)
@@ -437,5 +437,6 @@
                      "                            [--medium none|emptydrive|\n"
                      "                                      <uuid>|<filename>|host:<drive>|iscsi]\n"
-                     "                            [--mtype normal|writethrough|immutable|shareable]\n"
+                     "                            [--mtype normal|writethrough|immutable|shareable|\n"
+                     "                                      readonly|multiattach]\n"
                      "                            [--comment <text>]\n"
                      "                            [--passthrough on|off]\n"
@@ -491,5 +492,6 @@
         RTStrmPrintf(pStrm,
                      "VBoxManage modifyhd         <uuid>|<filename>\n"
-                     "                            [--type normal|writethrough|immutable|shareable]\n"
+                     "                            [--type normal|writethrough|immutable|shareable|\n"
+                     "                                      readonly|multiattach]\n"
                      "                            [--autoreset on|off]\n"
                      "                            [--compact]\n"
Index: /trunk/src/VBox/Frontends/VBoxManage/VBoxManageList.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VBoxManage/VBoxManageList.cpp	(revision 35084)
+++ /trunk/src/VBox/Frontends/VBoxManage/VBoxManageList.cpp	(revision 35085)
@@ -142,4 +142,7 @@
             case MediumType_Readonly:
                 typeStr = "readonly";
+                break;
+            case MediumType_MultiAttach:
+                typeStr = "multiattach";
                 break;
         }